Title:
SILENCER AND HOME APPLIANCE USING SAID SILENCER
Document Type and Number:
WIPO Patent Application WO/2021/106296
Kind Code:
A1
Abstract:
This silencer (201) comprises a trunk part (210) that incorporates a plurality of sound tubes (202) each having a hollow inside thereof. In the central section of the trunk part, an opening section (211) for passing a housing (101a) of a motor (101) is formed. The sound tubes each have one open end section (A1) and the other closed end section (A2), and are arranged such that the one end section is oriented toward the opening section, and the other end section is oriented toward the outer circumferential surface of the trunk part.
Inventors:
WATANABE MASANORI (JP)
KUROSAWA MAKOTO (JP)
KANAUCHI YU (JP)
SUGAWARA MICHITA (JP)
WARAGAI JIROU (JP)
CHIBA HIROSHI (JP)
KUROSAWA MAKOTO (JP)
KANAUCHI YU (JP)
SUGAWARA MICHITA (JP)
WARAGAI JIROU (JP)
CHIBA HIROSHI (JP)
Application Number:
PCT/JP2020/032575
Publication Date:
June 03, 2021
Filing Date:
August 28, 2020
Export Citation:
Assignee:
HITACHI GLOBAL LIFE SOLUTIONS INC (JP)
International Classes:
G10K11/16; D06F37/30; D06F37/40; G10K11/175
Foreign References:
| JPH0731564A | 1995-02-03 | |||
| JPH07302088A | 1995-11-14 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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